In Madrid, Spain, a mysterious serial killer ruthlessly murders his victims by recreating the first appearance of several comic book superheroes. Cosme, a veteran police inspector who is about to retire, works on the case along with the tormented inspector David Valentín and his own son Jorge Elías, a nerdy young man who owns a comic book store.

After his wife falls under the influence of a drug dealer, an everyday guy transforms himself into Crimson Bolt, a superhero with the best intentions, though he lacks for heroic skills.

When word hits the street that a nearby elderly gentleman has a cache of old, rare, and very valuable mint condition comic books, rival comic book shop owners Raymond McGillicuddy (Donal Logue) and Norman Link (Michael Rapaport) both set out to be the first to buy them. But when the old man declines to sell, the former friends turn into enemies, and a friendly rivalry becomes tainted with greed and turns to murder.

Welcome to Eltingville takes place in Eltingville, Staten Island, and focuses on the lives of four teenage boys: Bill Dickey, Josh Levy, Pete DiNunzio and Jerry Stokes, all members of "The Eltingville Club", who have shared interests in comic books and science fiction, among other things.

The life and work of the legendary Francisco Ibáñez, brilliant cartoonist, creator of Clever & Smart and many other characters through whom he has portrayed Spanish society for over seven decades, with wild humor, subtle cruelty and much tenderness.